" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
tan A = -1/2 (kuadran IV)
y = -1, x = 2, r = √5
sin A . cos A = -1/√5 . 2/√5
= -2/5
cotan = cos/sin
cotan B = 2/3 (kuadran I)
x = 2, y = 3, r = √13
sin B . cos B . tan B = 3/√13 . 2/√13 . 3/2
= 9/13
Maaf kalau salah